TrckStudio 3.5.6 has been released today.
Improvements:
1) Perfomance has been improved significantly for large databases and
complex filters.
2) Long login names (up to 100 chars) support has been implemented.
3) Now TrackStudio clone workflows/categories/custom fields permissions
when you clone user status, you shouldn't set them manually.
Bug fixes:
1) Several bugs related to "Distribution Report" were fixed.
2) "Too many open files" exception in the SCMManager has been fixed.
3) Incorrect visibility of the "Field Level Security" tab has been fixed.